<!doctype html>
<html>
<head>
    <meta charset="utf-8">
    <title>百度搜索</title>
</head>

<body>
    <form name="f" action=" http://www.baidu.com/s" target="_blank"><input type="text" name="wd" maxlength="100"><input type="submit" value="百度一下"></form>
</body>
</html>
